import React, {Component} from 'react';
import PropTypes from "prop-types";
import Item from "../Item";
import './index.css'


export default class List extends Component {

    //对接收的props进行：类型、必要性的限制
    static propTypes = {
        todos:PropTypes.array.isRequired,
        changeTodo:PropTypes.func.isRequired,
        deleteTodo:PropTypes.func.isRequired
    }

    render() {
        const {todos,changeTodo,deleteTodo} = this.props
        return (
            <ul className="todo-main">
                {
                    todos.map(todo => {
                        return <Item key={todo.id} {...todo} changeTodo={changeTodo} deleteTodo={deleteTodo}/>
                    })
                }
            </ul>
        );
    }
}
